MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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1052 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
DenkOps

Deploy APIs, MCP servers and scheduled jobs on managed EU hosting. Sign in with Google or GitHub.

Developer ToolsCode & DevOps

Responded172 ms14 / 22
Tariff & HS Code Duty Finder

Find an HS code, HTS code or customs code, and read the customs duty or import tax.

Finance & CryptoPayments & trading

Responded197 ms14 / 22
Industry Pulse

What happened in AI coding agents like Claude Code, Codex, Cursor and Copilot, and what people say.

Developer ToolsAI / LLM tooling

Responded228 ms14 / 22
glim.sh

Give your agent live data from Twitter, Reddit, the web and GitHub. No API keys, no scraping stack.

Developer ToolsCode & DevOps

Outdated check236 ms14 / 22
Sound Vocabulary

UI, game and motion sound effects from a description, as a WAV and Web Audio code, named by UCS.

MediaAI / LLM tooling

Responded249 ms14 / 22
Trending Now

The posts rising fastest right now on Hacker News, GitHub, Product Hunt and more, for any topic.

Developer ToolsCode & DevOps

Responded270 ms14 / 22
AI Form API (fill)

Read and submit one AI Form API form for a person, with a one-time fill code. No login.

Developer ToolsCode & DevOps

Responded282 ms14 / 22
RackArchitect MCP

Hosted Remote MCP & 3D/2D Rack-as-Code planner, 5-stage validator, CAD SVG/BOM & STL generator.

Developer ToolsCode & DevOps

Responded312 ms14 / 22
Velox TriFit: Virtual Try-On API

Virtual try-on (VTO) API docs and SDK examples; OAuth account/guest photo uploads and try-ons.

Developer ToolsCode & DevOps

Responded353 ms14 / 22
Ziplore: US ZIP Code API (county, time zone, demographics, radius)

Ziplore: US ZIP to county, FIPS, time zone, Census demographics; radius and city ZIPs. Free, no key.

GovernmentCode & DevOps

Responded392 ms14 / 22
Sorted Travel Docs

Search Sorted Travel developer docs for MCP, API, SDK, and auth questions.

TravelData access / search

Outdated check423 ms14 / 22
Domain Finder

Check if a brand name is free across domains, GitHub, npm and PyPI, and suggest available names.

Developer ToolsCode & DevOps

Responded445 ms14 / 22
Slop Patterns

Checks UI code for AI-default design patterns and gives the fix. By Precious Studio.

OtherOther

Responded445 ms14 / 22
Jinero

AI-agent design tools: fonts, font recognition, palettes, color naming, contrast, code, SVG, CSS.

Developer ToolsCode & DevOps

Outdated check458 ms14 / 22
io.github.IsaiahDupree/devstack-mcp

Dev-registry data: npm/PyPI/Docker/VS Code packages, dep graphs, vulns, 50+ ecosystems.

Developer ToolsCode & DevOps

Outdated check487 ms14 / 22
eCFR

Electronic Code of Federal Regulations including FAR, DFARS, and agency supplements. 13 tools.

LegalKnowledge & memory

Responded490 ms14 / 22
Penniless Data Utilities

Ten x402-paid tools for JSON, YAML, cron, diff, text, DNS, WHOIS, GitHub, crypto, and email.

Finance & CryptoCommunication & messaging

Responded513 ms14 / 22
AgentDiet Coding Agent GitHub Repo, Dependency & License Security Auditor

Evaluates any GitHub repository for license risk, maintenance velocity, stars/forks, and supply-c.

Developer ToolsCode & DevOps

Responded603 ms14 / 22
Omakase Icons

Search free MIT SVG icons and paste React, Vue, Svelte or SVG code. No auth.

OtherData access / search

Responded614 ms14 / 22
AgentDiet 4-Protocol MCP Glama 5.0/5.0 TDQS, A2A Card & x402/MPP Schema Compiler

Audits any live MCP server URL or GitHub repo on Glama's 6-dimension TDQS rubric and compiles dro.

Developer ToolsCode & DevOps

Responded616 ms14 / 22
AgentDiet A2A, MCP & HTTP 402 Endpoint SLA Compliance Auditor

Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP.

Developer ToolsCode & DevOps

Responded621 ms14 / 22
VibeHacker

Product Hunt for AI tools. Search, submit, upvote from Claude Code or Cursor.

Developer ToolsCode & DevOps

Responded640 ms14 / 22
Trending Repository Tracker — new GitHub repo discovery ($0.01/query)

Trending GitHub repos: new & rising daily. $0.01/query. Be born in one call — free testnet funds.

Developer ToolsCode & DevOps

Responded669 ms14 / 22
Farm.js Docs

Search and read the Farm.js docs: pages, sections, code examples and config options.

OtherData access / search

Responded677 ms14 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence